. Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments. Geology. a. Enuolites radiosa, D'Orb. Z>. Upper valve of same, White chalk of France. Eacliolites foliaceus, D'Orb. Syn. Sphcerulites agarici- formis, Blainv. White chalk of France. Fiar. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lyell, Charles, Sir, 1797-1875. New York, D. Appleton and co.

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Keywords: ., bookcentury1800, bookdecade1860, booksubjectgeology, bookyear1868